Answer: C) DNS poisoning
Explanation: DNS poisoning or DNS cache poisoning is the type of attacking tendency towards the URL of the computer. These attempt to attack the URL using the spam mails and the user usually end up clicking on the URL provided by the attacker which invokes attack in the computer.
This mechanism takes place in the emails as well as the selected websites which can be accessed by the users easily.These attacks once enter the system seems like the real thing and become prone to many risks .
> News sites give information about news or what is trending around the area or world (CNN, Fox, MSNBC, etc)
> Search engines is what allows you to look up websites (Google, Bing, Yahoo, etc)
> Social media AKA Social Networking sites is interaction social sites where you connect with various people from around the world. (Facebook, Twitter, Google+, etc)
>Apps is short for applications which is an application that has a specific function (Games, Music, Social networking)
So based on this, you answer is C. Social Media
Surge protector :) hope this helps